The Iconia A500 uses MTP not mass storage (in fact I believe this is a function of honeycomb as the same applies for the Xoom). There are drivers for Windows and OSX to allow access but on Linux it is a lot harder.
I did find a site detailing how to get things working on a Xoom and used this information (modified for the A500) to get access once but since then I have not been able to get it to work at all (this is on Ubuntu 11.04 when the instructions detailed how to get it to work in 10.10).
Also Banshee is supposed to support MTP but again I have not been able to get the A500 to work with this (I have yet to really look into this though).
As folks have pointed out, the A500 does not have USB mounting support (yet) but does seem to have support for MTP. I found details on how to mount the Xoom onto Ubuntu Linux here. I have to assume these are the instructions that everyone is talking about above.
I am running 64 bit Ubuntu 10.10 (I unfortunately heard far too many dangerous things about 11.04 and it has become the only Ubuntu release I've not upgraded to). This instructions, modified for the Iconia A500, have worked for me. I've mounted and unmounted the device several times now.
I made some changes to the instructions. First my file is called /etc/udev/rules.d/51-honeycomb.rules. The entire file for me is:
Thanks for the instructions. I followed them and now am able to see my A500 under Ubuntu 11.04 (64bit). However while I can see the directories on the tablet I can not see the files.
If I plug the tablet in and copy a file to the tablet from my PC the file is visible. If I then unmount and remove the tablet and reconnect it, the files do not show in Nautilus (Ubuntu default file manager).
However if I look at the files with a file manager on the A500 the files are there.
I've tried playing around with the UDEV rules but no matter what I do I am unable to get past this.
I have also tried this on a 32bit 11.04 Ubuntu machine and obtained identical results.
In short, is anyone able to offer any suggestions that will allow me to view my files on the A500 in Ubuntu's Nautilus browser consistently?
Thanks for making this forum a great place to learn about the tablet!
Can you mount an external microsd as mass storage and have Ubuntu pick it up? If you can, theroretically couldn't you just symlink the internal memory to a "folder" on the microsd? That's what I've done on the Mytouch 4G to get internal storage access,